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path: root/drivers/mfd/stpmic1.c
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Diffstat (limited to 'drivers/mfd/stpmic1.c')
-rw-r--r--drivers/mfd/stpmic1.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c
index eb3da558c3fb..081827bc0596 100644
--- a/drivers/mfd/stpmic1.c
+++ b/drivers/mfd/stpmic1.c
@@ -7,6 +7,7 @@
#include <linux/mfd/core.h>
#include <linux/mfd/stpmic1.h>
#include <linux/module.h>
+#include <linux/reboot.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
@@ -19,7 +20,7 @@
static const struct regmap_range stpmic1_readable_ranges[] = {
regmap_reg_range(TURN_ON_SR, VERSION_SR),
- regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR),
+ regmap_reg_range(MAIN_CR, LDO6_STDBY_CR),
regmap_reg_range(BST_SW_CR, BST_SW_CR),
regmap_reg_range(INT_PENDING_R1, INT_PENDING_R4),
regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4),
@@ -30,7 +31,7 @@ static const struct regmap_range stpmic1_readable_ranges[] = {
};
static const struct regmap_range stpmic1_writeable_ranges[] = {
- regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR),
+ regmap_reg_range(MAIN_CR, LDO6_STDBY_CR),
regmap_reg_range(BST_SW_CR, BST_SW_CR),
regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4),
regmap_reg_range(INT_SET_MASK_R1, INT_SET_MASK_R4),
@@ -62,7 +63,7 @@ static const struct regmap_access_table stpmic1_volatile_table = {
static const struct regmap_config stpmic1_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.max_register = PMIC_MAX_REGISTER_ADDRESS,
.rd_table = &stpmic1_readable_table,
.wr_table = &stpmic1_writeable_table,
@@ -108,16 +109,26 @@ static const struct regmap_irq stpmic1_irqs[] = {
static const struct regmap_irq_chip stpmic1_regmap_irq_chip = {
.name = "pmic_irq",
.status_base = INT_PENDING_R1,
- .mask_base = INT_CLEAR_MASK_R1,
- .unmask_base = INT_SET_MASK_R1,
+ .mask_base = INT_SET_MASK_R1,
+ .unmask_base = INT_CLEAR_MASK_R1,
+ .mask_unmask_non_inverted = true,
.ack_base = INT_CLEAR_R1,
.num_regs = STPMIC1_PMIC_NUM_IRQ_REGS,
.irqs = stpmic1_irqs,
.num_irqs = ARRAY_SIZE(stpmic1_irqs),
};
-static int stpmic1_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int stpmic1_power_off(struct sys_off_data *data)
+{
+ struct stpmic1 *ddata = data->cb_data;
+
+ regmap_update_bits(ddata->regmap, MAIN_CR,
+ SOFTWARE_SWITCH_OFF, SOFTWARE_SWITCH_OFF);
+
+ return NOTIFY_DONE;
+}
+
+static int stpmic1_probe(struct i2c_client *i2c)
{
struct stpmic1 *ddata;
struct device *dev = &i2c->dev;
@@ -159,10 +170,15 @@ static int stpmic1_probe(struct i2c_client *i2c,
return ret;
}
+ ret = devm_register_power_off_handler(ddata->dev, stpmic1_power_off, ddata);
+ if (ret) {
+ dev_err(ddata->dev, "failed to register sys-off handler: %d\n", ret);
+ return ret;
+ }
+
return devm_of_platform_populate(dev);
}
-#ifdef CONFIG_PM_SLEEP
static int stpmic1_suspend(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
@@ -187,9 +203,8 @@ static int stpmic1_resume(struct device *dev)
return 0;
}
-#endif
-static SIMPLE_DEV_PM_OPS(stpmic1_pm, stpmic1_suspend, stpmic1_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stpmic1_pm, stpmic1_suspend, stpmic1_resume);
static const struct of_device_id stpmic1_of_match[] = {
{ .compatible = "st,stpmic1", },
@@ -200,8 +215,8 @@ MODULE_DEVICE_TABLE(of, stpmic1_of_match);
static struct i2c_driver stpmic1_driver = {
.driver = {
.name = "stpmic1",
- .of_match_table = of_match_ptr(stpmic1_of_match),
- .pm = &stpmic1_pm,
+ .of_match_table = stpmic1_of_match,
+ .pm = pm_sleep_ptr(&stpmic1_pm),
},
.probe = stpmic1_probe,
};